Nose, mouth, chin zone: PROLEN®Siltex antibacterial fibres containing silver ions can filter small particles from air Cheek zone: knitted mesh allows for air circulation Soft, lightweight and breathable, very comfortable to wear and ideal for people with skin sensitive allergies Ear loops sit nicely behind the ear and can be worn for hours Re-usable: PROLEN®Siltex retains its antibacterial properties for 20 washes. This mask lets air in easily and keeps moisture out, letting you breathe easier whilst keeping dust and other pollutants out Individually bagged Hand wash and air dry only PROLEN®Siltex is a polypropylene yarn treated with a tested and certified permanent antibacterial additive, based on silver ions Multi-purpose: reduces the risk of breathing gases, harmful odours, pollen, smoke, dust and other harmful particles for hospitals, schools, travel, cleaning, painting, construction or outdoor activities. For use in non-clinical settings. Should not be used under any circumstances in a medical capacity or where infection level is high Decoration: Transfer print Pack of 10 Non Returnable